Data
4,655 items of data are available, covering 4,655 participants.
Some values have special meanings defined by Data-Coding
819.
| Maximum | 2023-12-31 |
| Decile 9 | 2022-07-05 |
| Decile 8 | 2021-12-30 |
| Decile 7 | 2021-06-07 |
| Decile 6 | 2020-10-07 |
| Median | 2019-11-22 |
| Decile 4 | 2019-01-19 |
| Decile 3 | 2018-01-08 |
| Decile 2 | 2016-07-25 |
| Decile 1 | 2014-08-29 |
| Minimum | 1992-11-11 |
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- There are 2564 distinct values.
- Mean = 2019-03-10
- 10 items below graph minimum of 2006-10-23
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Notes
Date of the first occurrence of any code mapped to 3-character ICD10 G30. The code corresponds to "alzheimer's disease". Note that events which were apparently before birth were omitted when constructing this data field.
Coding 819 defines 6 special values:
- 1900-01-01 represents "Code has no event date"
- 1901-01-01 represents "Code has event date before participant's date of birth"
- 1902-02-02 represents "Code has event date matching participant's date of birth"
- 1903-03-03 represents "Code has event date after participant's date of birth and falls in the same calendar year as date of birth"
- 1909-09-09 represents "Code has event date in the future and is presumed to be a place-holder or other system default"
- 2037-07-07 represents "Code has event date in the future and is presumed to be a place-holder or other system default"
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 131037 | Source of report of G30 (alzheimer's ... | Field 131037 indicates the source of the outcome first reported in Current Field. |
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